Flesh out wlr_surface state lifecycle a bit
Sprinked some TODOs around for future work
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@ -1,21 +1,40 @@
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#ifndef _WLR_TYPES_WLR_SURFACE_H
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#ifndef _WLR_TYPES_WLR_SURFACE_H
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#define _WLR_TYPES_WLR_SURFACE_H
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#define _WLR_TYPES_WLR_SURFACE_H
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#include <wayland-server.h>
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#include <wayland-server.h>
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#include <pixman.h>
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#include <stdint.h>
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struct wlr_frame_callback {
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struct wlr_frame_callback {
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struct wl_resource *resource;
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struct wl_resource *resource;
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struct wl_list link;
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struct wl_list link;
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};
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};
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struct wlr_surface {
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#define WLR_SURFACE_INVALID_BUFFER 1
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struct wl_resource *pending_buffer;
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#define WLR_SURFACE_INVALID_SURFACE_DAMAGE 2
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bool pending_attached;
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#define WLR_SURFACE_INVALID_BUFFER_DAMAGE 4
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bool attached; // whether the surface currently has a buffer attached
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#define WLR_SURFACE_INVALID_OPAQUE_REGION 8
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#define WLR_SURFACE_INVALID_INPUT_REGION 16
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#define WLR_SURFACE_INVALID_TRANSFORM 16
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#define WLR_SURFACE_INVALID_SCALE 16
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struct wlr_texture *texture;
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struct wlr_surface_state {
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const char *role; // the lifetime-bound role or null
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uint32_t invalid;
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struct wl_resource *buffer;
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int32_t sx, sy;
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pixman_region32_t surface_damage, buffer_damage;
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pixman_region32_t opaque, input;
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uint32_t transform;
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int32_t scale;
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};
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struct wlr_surface {
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struct wl_resource *resource;
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struct wl_resource *resource;
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struct wlr_texture *texture;
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struct wlr_surface_state current, pending;
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const char *role; // the lifetime-bound role or null
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float buffer_to_surface_matrix[16];
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float surface_to_buffer_matrix[16];
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struct {
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struct {
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struct wl_signal destroy;
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struct wl_signal destroy;
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@ -13,19 +13,25 @@ static void surface_attach(struct wl_client *client,
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struct wl_resource *resource,
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struct wl_resource *resource,
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struct wl_resource *buffer, int32_t sx, int32_t sy) {
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struct wl_resource *buffer, int32_t sx, int32_t sy) {
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struct wlr_surface *surface = wl_resource_get_user_data(resource);
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struct wlr_surface *surface = wl_resource_get_user_data(resource);
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surface->pending_buffer = buffer;
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surface->pending.invalid |= WLR_SURFACE_INVALID_BUFFER;
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surface->pending_attached = true;
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surface->pending.buffer = buffer;
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}
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}
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static void surface_damage(struct wl_client *client,
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static void surface_damage(struct wl_client *client,
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struct wl_resource *resource,
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struct wl_resource *resource,
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int32_t x, int32_t y, int32_t width, int32_t height) {
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int32_t x, int32_t y, int32_t width, int32_t height) {
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wlr_log(L_DEBUG, "damage: %dx%d@%d,%d", width, height, x, y);
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struct wlr_surface *surface = wl_resource_get_user_data(resource);
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if (width < 0 || height < 0) {
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return;
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}
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surface->pending.invalid |= WLR_SURFACE_INVALID_SURFACE_DAMAGE;
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pixman_region32_union_rect(&surface->pending.surface_damage,
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&surface->pending.surface_damage,
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x, y, width, height);
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}
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}
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static void destroy_frame_callback(struct wl_resource *resource) {
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static void destroy_frame_callback(struct wl_resource *resource) {
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struct wlr_frame_callback *cb = wl_resource_get_user_data(resource);
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struct wlr_frame_callback *cb = wl_resource_get_user_data(resource);
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wl_list_remove(&cb->link);
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wl_list_remove(&cb->link);
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free(cb);
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free(cb);
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}
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}
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@ -58,38 +64,65 @@ static void surface_frame(struct wl_client *client,
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static void surface_set_opaque_region(struct wl_client *client,
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static void surface_set_opaque_region(struct wl_client *client,
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struct wl_resource *resource,
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struct wl_resource *resource,
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struct wl_resource *region_resource) {
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struct wl_resource *region_resource) {
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wlr_log(L_DEBUG, "TODO: surface opaque region");
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struct wlr_surface *surface = wl_resource_get_user_data(resource);
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surface->pending.invalid |= WLR_SURFACE_INVALID_OPAQUE_REGION;
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if (region_resource) {
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pixman_region32_t *region = wl_resource_get_user_data(region_resource);
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pixman_region32_copy(&surface->pending.opaque, region);
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} else {
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pixman_region32_clear(&surface->pending.opaque);
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}
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}
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}
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static void surface_set_input_region(struct wl_client *client,
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static void surface_set_input_region(struct wl_client *client,
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struct wl_resource *resource,
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struct wl_resource *resource,
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struct wl_resource *region_resource) {
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struct wl_resource *region_resource) {
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wlr_log(L_DEBUG, "TODO: surface input region");
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struct wlr_surface *surface = wl_resource_get_user_data(resource);
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surface->pending.invalid |= WLR_SURFACE_INVALID_INPUT_REGION;
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if (region_resource) {
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pixman_region32_t *region = wl_resource_get_user_data(region_resource);
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pixman_region32_copy(&surface->pending.input, region);
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} else {
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pixman_region32_fini(&surface->pending.input);
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pixman_region32_init_rect(&surface->pending.input,
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INT32_MIN, INT32_MIN, UINT32_MAX, UINT32_MAX);
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}
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}
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}
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static void surface_commit(struct wl_client *client,
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static void surface_commit(struct wl_client *client,
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struct wl_resource *resource) {
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struct wl_resource *resource) {
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struct wlr_surface *surface = wl_resource_get_user_data(resource);
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struct wlr_surface *surface = wl_resource_get_user_data(resource);
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// apply pending state
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if ((surface->pending.invalid & WLR_SURFACE_INVALID_BUFFER)) {
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if (surface->pending_attached) {
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surface->current.buffer = surface->pending.buffer;
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surface->attached = surface->pending_buffer;
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// TODO: Move to wlr_surface_flush_damage and call from output frame
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if (surface->pending_buffer) {
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// callbacks instead of immediately here
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struct wl_shm_buffer *buffer = wl_shm_buffer_get(surface->pending_buffer);
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if (surface->current.buffer) {
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struct wl_shm_buffer *buffer = wl_shm_buffer_get(surface->current.buffer);
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if (!buffer) {
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if (!buffer) {
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wlr_log(L_INFO, "Unknown buffer handle attached");
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wlr_log(L_INFO, "Unknown buffer handle attached");
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} else {
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} else {
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uint32_t format = wl_shm_buffer_get_format(buffer);
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uint32_t format = wl_shm_buffer_get_format(buffer);
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wlr_texture_upload_shm(surface->texture, format, buffer);
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wlr_texture_upload_shm(surface->texture, format, buffer);
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wl_resource_queue_event(surface->pending_buffer, WL_BUFFER_RELEASE);
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wl_resource_queue_event(surface->current.buffer, WL_BUFFER_RELEASE);
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}
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}
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}
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}
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}
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}
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if ((surface->pending.invalid & WLR_SURFACE_INVALID_SURFACE_DAMAGE)) {
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// TODO: Sort out buffer damage too
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pixman_region32_union(&surface->current.surface_damage,
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&surface->current.surface_damage,
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&surface->pending.surface_damage);
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// TODO: Surface sizing is complicated
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//pixman_region32_intersect_rect(&surface->current.surface_damage,
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// &surface->current.surface_damage,
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// 0, 0, surface->width, surface->height);
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pixman_region32_clear(&surface->pending.surface_damage);
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}
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// TODO: Commit other changes
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// reset pending state
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surface->pending.invalid = 0;
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surface->pending_buffer = NULL;
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// TODO: add the invalid bitfield to this callback
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surface->pending_attached = false;
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wl_signal_emit(&surface->signals.commit, surface);
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wl_signal_emit(&surface->signals.commit, surface);
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}
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}
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@ -104,7 +137,6 @@ static void surface_set_buffer_scale(struct wl_client *client,
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wlr_log(L_DEBUG, "TODO: surface set buffer scale");
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wlr_log(L_DEBUG, "TODO: surface set buffer scale");
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}
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}
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static void surface_damage_buffer(struct wl_client *client,
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static void surface_damage_buffer(struct wl_client *client,
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struct wl_resource *resource,
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struct wl_resource *resource,
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int32_t x, int32_t y, int32_t width,
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int32_t x, int32_t y, int32_t width,
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